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There is audio signal in the surveillance
window but no audio signal in playback
Possible reasons are as followed:
1 Setting issues: the audio option is not chosen.
2 The according channel is not connected with
the video.
3 There is no audio device connected.
The time is wrong.
Possible reasons are as followed:
1 Setting is wrong.
2 The battery is in bad connection or the
voltage is too low.
The motion detect is not working,
Possible reasons are as followed:
1 Settings are not correct in Record Conf.
2 Settings are not correct in Alarm > Motion
detect
3 The motion detect area set is not correct.
4 The sensitivity is too low.
I cannot login via web.
Possible reasons are as followed:
1 The OS of the computer is not Windows 2000
service pack 4 or higher ( Ie Windows XP )
2 ActiveX is not allowed by PC
3 Active X version is older than 8.1
4 Network connection failure.
5 Network setting issues.
6 Invalid password or user name.
The image is not clear or there is no image in
network preview state or video file playback
state.
Possible reasons are as followed:
1 Network is not stable.
2 The user machine has limited resource.
3 Choose the play-in-team mode in the network
setup of DVR.
4 The region shelter or channel protection is set.
5 The user has no surveillance to view
6 The real-time image of the hard disk recording
machine itself is not clear.
Network connection is not stable.
Possible reasons are as followed:
1 Network is not stable.
2 IP address is conflicted.
3 MAC address is conflicted.
4 The network card of the computer or the
hard disk recording machine is not
functioning correctly
There is something wrong with the USB
backup
Possible reasons are as follow
1 The data exceeds the USB stick capacity.
2 The USB stick is not compatible.
3 The USB stick is damaged.
Alarm is not working.
Possible reasons are as followed:
1 The setting of the alarm is not correct.
2 The connection of the alarm is not
correct.
3 The alarm input signal is not correct.
The remote control is not working,
Possible reasons are as followed:
1 The remote control address is not correct.
2 The remote control distance is too far or
the angle is too large.
3 The battery is flat in the remote control
4 The remote control input on the front
panel is covered.
5 The remote controller or the front panel
of the DVR is damaged.
The back up files cannot play.
Possible reasons are as followed:
1 There is no media player.
2 There is no DX8.1 software or higher
edition.
3 There is no DivX503Bundle.exe file to
play AVI video files.
4 The DivX503Bundle.exe and ffdshow-
2004 1012-. Exe files must be installed
in windows.
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